更新時間:2017-07-03
三線組儀(yi)表電纜(lan)結構有(you)安(an)徽華強電纜(lan)有(you)限公(gong)司提(ti)供(gong),我公(gong)司專業儀(yi)表電纜(lan)生產(chan)(chan)廠家,國標產(chan)(chan)品(pin)質量,優惠(hui)的價格(ge)。
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三線組儀表電纜產(chan)品:適用(yong)(yong)于(yu)額定電(dian)(dian)(dian)(dian)(dian)壓(ya)500V及以(yi)下(xia)對(dui)于(yu)防干(gan)擾(rao)性要求較高(gao)的(de)電(dian)(dian)(dian)(dian)(dian)子計算機和(he)自動化連接用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)。電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)地(di)線芯絕(jue) 緣采用(yong)(yong)具(ju)有(you)(you)抗氧(yang)化性能的(de)K型B類低(di)密度聚乙烯。聚乙烯的(de)絕(jue)緣電(dian)(dian)(dian)(dian)(dian)阻高(gao),耐電(dian)(dian)(dian)(dian)(dian)壓(ya)好(hao)(hao),介電(dian)(dian)(dian)(dian)(dian)系(xi)數小和(he)介質損耗溫度和(he)變頻(pin)率(lv)的(de)影響也小,不但(dan)能滿足(zu)傳輸(shu)性能的(de)要求,而(er)且能確保電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)的(de)使(shi)用(yong)(yong)壽命。為了(le)減少回路間的(de)相(xiang)互串擾(rao)和(he)外部干(gan)擾(rao),電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)采用(yong)(yong)屏(ping)(ping)(ping)蔽(bi)(bi)(bi)(bi)結(jie)構。電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)的(de)屏(ping)(ping)(ping)蔽(bi)(bi)(bi)(bi)要求是根據不同場合(he)分別采用(yong)(yong):對(dui)絞組合(he)屏(ping)(ping)(ping)蔽(bi)(bi)(bi)(bi)、對(dui)絞組成電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)的(de)總(zong)(zong)屏(ping)(ping)(ping)蔽(bi)(bi)(bi)(bi)、對(dui)絞組合(he)屏(ping)(ping)(ping)蔽(bi)(bi)(bi)(bi)后總(zong)(zong)屏(ping)(ping)(ping)蔽(bi)(bi)(bi)(bi)等方法。屏(ping)(ping)(ping)蔽(bi)(bi)(bi)(bi)材料有(you)(you)圓(yuan)銅線,銅帶(dai)、鋁帶(dai)/塑料復合(he)帶(dai)三種。屏(ping)(ping)(ping)蔽(bi)(bi)(bi)(bi)對(dui)與屏(ping)(ping)(ping)蔽(bi)(bi)(bi)(bi)對(dui)具(ju)有(you)(you)較好(hao)(hao)的(de)絕(jue)緣性能,電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)在使(shi)用(yong)(yong)中(zhong)若屏(ping)(ping)(ping)蔽(bi)(bi)(bi)(bi)對(dui)屏(ping)(ping)(ping)蔽(bi)(bi)(bi)(bi)對(dui)之間出(chu)現電(dian)(dian)(dian)(dian)(dian)位差(cha)時,不會影響信(xin)號的(de)傳輸(shu)質量。
三線組儀表電纜技術參數:
1、產品額(e)定電壓(U0/U):300/500V
2、工作溫(wen)度為70℃
3、敷設時環境溫度不低于:固(gu)定(ding)敷設-40℃,非固(gu)定(ding)敷設-15℃
4、zui小(xiao)彎(wan)曲半徑:無鎧裝層(ceng)應小(xiao)于(yu)電(dian)纜外徑的(de)6倍(bei)(bei),帶鎧裝層(ceng)的(de)電(dian)纜應不小(xiao)于(yu)電(dian)纜外徑的(de)12倍(bei)(bei)
5、在20℃時用(yong)直(zhi)流500V電壓試驗穩(wen)定充電1min后絕(jue)緣電阻應不小于(yu)2500MΩ·Km 各對絞屏(ping)蔽(bi)之(zhi)間(jian)以及對絞屏(ping)蔽(bi)與(yu)總屏(ping)蔽(bi)之(zhi)間(jian)應不斷路(lu)
6、電纜的線(xian)芯和線(xian)芯之間(jian)以(yi)及屏(ping)蔽之間(jian)應(ying)經受50HZ,交流2000V電壓試(shi)驗5min不擊穿(chuan)。
型號說明:
絕緣或護套材料
DJ---計算機(ji)電纜系(xi)列代號
Y-----聚乙烯擠包絕緣(yuan)或護(hu)套
V----聚氯(lv)乙烯擠(ji)包絕(jue)緣或護套
屏蔽材料
P-----銅線編織(zhi)
P1---鍍錫銅線編織
P2----銅(tong)塑(su)復合帶繞包(bao)
P3---鋁塑復合(he)帶繞(rao)包分屏蔽
鎧裝結構
22----鋼帶鎧裝(zhuang)聚(ju)氯乙烯(xi)外護套
23-----鋼帶(dai)鎧裝(zhuang)聚乙烯外護套
32-----圓形鍍鋅低(di)碳鋼(gang)絲纏繞(rao)鎧裝(zhuang)聚(ju)氯乙(yi)烯外(wai)護套
33-----圓形鍍鋅(xin)低碳鋼(gang)絲纏繞鎧裝聚(ju)乙烯外護套
導體種類:
A----單(dan)根導體(型號中省略(lve))
B-----七根(gen)絞合導體(ti)(在規格(ge)后面加“B”表(biao)示)
R------多根絞合(he)導體
阻燃性能分:
ZRA—A類阻燃(A類阻燃性能)
ZRB—B類阻燃
ZRC、 ZR—C類阻燃
阻(zu)燃型電纜在基本型號前分別加(jia)“ZRA-”“ZRB-” 、 “ZRC或ZR”表示即可(ke)。
規格:
1×3×0.5 | 4×3×0.75 | 8×3×1.5 | 14×3×2.5 |
1×3×0.75 | 4×3×1.0 | 8×3×2.5 | 16×3×0.5 |
1×3×1.0 | 4×3×1.5 | 10×3×0.5 | 16×3×0.75 |
1×3×1.5 | 4×3×2.5 | 10×3×0.75 | 16×3×1.0 |
1×3×2.5 | 5×3×0.5 | 10×3×1.0 | 16×3×1.5 |
2×3×0.5 | 5×3×0.75 | 10×3×1.5 | 16×3×2.5 |
2×3×0.75 | 5×3×1.0 | 10×3×2.5 | 8)19×3×0.5 |
2×3×1.0 | 5×3×1.5 | 12×3×0.5 | 8)19×3×0.75 |
2×3×1.5 | 5×3×2.5 | 12×3×0.75 | 8)19×3×1.0 |
2×3×2.5 | (6) 7×3×0.5 | 12×3×1.0 | 8)19×3×1.5 |
3×3×0.5 | 6) 7×3×0.75 | 12×3×1.5 | 8)19×3×2.5 |
3×3×0.75 | (6) 7×3×1.0 | 12×3×2.5 | 24×3×0.5 |
3×3×1.0 | (6) 7×3×1.5 | 14×3×0.5 | 24×3×0.75 |
3×3×1.5 | (6) 7×3×2.5 | 14×3×0.75 | 24×3×1.0 |
3×3×2.5 | 8×3×0.5 | 14×3×1.0 | 24×3×1.5 |
4×3×0.5 | 8×3×0.75 | 14×3×1.5 | 24×3×2.5 |
7*2*1.0 | 8×3×1.0 |